San Francisco, CA

11:48 AM PST on January 23, 2017 (GMT -0800)
San Francisco International

Weather History for KSFO - January, 2003

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Tuesday, January 14, 2003

  Actual Average Record
Temperature  
Mean Temperature 54 °F 50 °F  
Max Temperature 57 °F 56 °F 72 °F (2014)
Min Temperature 51 °F 44 °F 31 °F (1963)
Degree Days  
Heating Degree Days 11 15  
Month to date heating degree days 210  
Since 1 July heating degree days 1220  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 94    
Maximum Humidity 100    
Minimum Humidity 84    
Precipitation  
Precipitation 0.00 in 0.15 in 2.21 in (1979)
Month to date precipitation 1.97  
Year to date precipitation 1.97  
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 4 mph (NW)    
Max Wind Speed 14 mph    
Max Gust Speed -    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Jan. 14, 2003 Rise Set
Actual Time 7:23 AM PST 5:13 PM PST
Civil Twilight 6:55 AM PST 5:42 PM PST
Nautical Twilight 6:22 AM PST 6:14 PM PST
Astronomical Twilight 5:51 AM PST 6:46 PM PST
Moon 2:01 PM PST (1/14) 4:06 AM PST (1/14)
Length of Visible Light 10h 47m
Length of Day
9h 49m
Waxing Gibbous, 86% of the Moon is Illuminated
Jan 14
Waxing Gibbous
Jan 18
Full
Jan 25
Last Quarter
Feb 1
New
Feb 9
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 55.0 °F 54.0 °F 96% 30.25 in 10.0 mi East 4.6 mph - N/A   Overcast
1:56 AM 55.0 °F 54.0 °F 96% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
2:16 AM 55.4 °F 53.6 °F 94% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
2:56 AM 55.0 °F 54.0 °F 96% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
3:56 AM 55.0 °F 54.0 °F 96% 30.24 in 10.0 mi Calm Calm - N/A   Overcast
4:56 AM 55.0 °F 53.1 °F 93% 30.23 in 10.0 mi East 3.5 mph - N/A   Overcast
5:56 AM 53.1 °F 52.0 °F 96% 30.23 in 10.0 mi SSW 5.8 mph - N/A   Overcast
6:56 AM 55.0 °F 53.1 °F 93% 30.24 in 10.0 mi Calm Calm - N/A   Overcast
7:56 AM 55.0 °F 53.1 °F 93% 30.24 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:03 AM 55.4 °F 53.6 °F 94% 30.24 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
8:56 AM 55.9 °F 53.1 °F 90% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
9:56 AM 55.9 °F 53.1 °F 90% 30.26 in 10.0 mi ENE 3.5 mph - N/A   Overcast
10:56 AM 55.9 °F 53.1 °F 90% 30.25 in 8.0 mi ENE 5.8 mph - N/A   Overcast
11:56 AM 55.0 °F 54.0 °F 96% 30.23 in 8.0 mi NE 6.9 mph - N/A   Overcast
12:56 PM 57.0 °F 54.0 °F 89% 30.22 in 9.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
1:56 PM 57.0 °F 54.0 °F 89% 30.21 in 8.0 mi NE 8.1 mph - N/A   Mostly Cloudy
2:56 PM 57.9 °F 53.1 °F 84% 30.22 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
3:56 PM 57.9 °F 53.1 °F 84% 30.21 in 9.0 mi North 6.9 mph - N/A   Mostly Cloudy
4:56 PM 57.9 °F 53.1 °F 84% 30.21 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:56 PM 57.0 °F 53.1 °F 87% 30.22 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
6:56 PM 55.0 °F 53.1 °F 93% 30.24 in 10.0 mi West 6.9 mph - N/A   Clear
7:56 PM 53.1 °F 53.1 °F 100% 30.24 in 10.0 mi West 11.5 mph - N/A   Clear
8:23 PM 53.6 °F 51.8 °F 94% 30.23 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
8:56 PM 52.0 °F 52.0 °F 100% 30.26 in 6.0 mi West 10.4 mph - N/A   Partly Cloudy
9:04 PM 53.6 °F 53.6 °F 100% 30.27 in 4.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
9:24 PM 51.8 °F 51.8 °F 100% 30.29 in 2.5 mi West 11.5 mph - N/A   Mostly Cloudy
9:40 PM 51.8 °F 51.8 °F 100% 30.30 in 7.0 mi West 13.8 mph - N/A   Overcast
9:56 PM 53.1 °F 52.0 °F 96% 30.30 in 10.0 mi West 12.7 mph - N/A   Overcast
10:17 PM 53.6 °F 53.6 °F 100% 30.31 in 9.0 mi West 10.4 mph - N/A   Overcast
10:26 PM 53.6 °F 53.6 °F 100% 30.31 in 9.0 mi West 8.1 mph - N/A   Overcast
10:56 PM 53.1 °F 53.1 °F 100% 30.31 in 7.0 mi West 5.8 mph - N/A   Mostly Cloudy
11:39 PM 53.6 °F 53.6 °F 100% 30.30 in 9.0 mi Calm Calm - N/A   Scattered Clouds
11:56 PM 54.0 °F 53.1 °F 97% 30.29 in 9.0 mi NNE 3.5 mph - N/A   Partly Cloudy